腾讯20190407笔试大题2

https://blog.csdn.net/qq_36778821/article/details/54839071

import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] inputs = new int[n];
        for (int i=0 ;i<n;i++){
            inputs[i] = sc.nextInt();
        }
        System.out.println(getNumber(inputs));
    }

    private static long getNumber(int[] nums){
        long ans = 0;
        for (int i=0;i<nums.length-1;i++)
        {
            ans+= Math.abs(nums[i]);
            nums[i+1]+= nums[i];
        }
        return ans;
    }

}

AC